Plasma and short pulse laser treatment of medical grade PEEK surfaces for controlled wetting

Plasma and laser treatments are used in combination to modify the wetting properties of polyetheretherketone (PEEK), which is one of the preferred polymers in various applications ranging from aerospace to medical devices. Wetting is a critical issue especially for biomedical applications of PEEK. H...

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Bibliographic Details
Published in:Materials letters 2013-10, Vol.109, p.261-264
Main Authors: Akkan, C.K., Hammadeh, M., Brück, S., Park, H.W., Veith, M., Abdul-Khaliq, H., Aktas, C.
Format: Article
Language:English
Subjects:
Aircraft components
Biomaterials
Biomedical materials
hydrophobicity
Laser processing
Lasers
Lithography
medical equipment
medical treatment
Microstructure
Nanostructure
Plasma etching
Polyetheretherketones
Polymers
Short pulses
Wetting
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Summary:Plasma and laser treatments are used in combination to modify the wetting properties of polyetheretherketone (PEEK), which is one of the preferred polymers in various applications ranging from aerospace to medical devices. Wetting is a critical issue especially for biomedical applications of PEEK. Here we present a novel approach to create hierarchically patterned PEEK surfaces composed of nano- and microstructures. This method is fast, easy and applicable to large areas without using complicated lithography and mask-based techniques. We achieved surfaces exhibiting a wide spectrum of wetting ranging from super-hydrophilic to hydrophobic nature. •Hierarchical patterning (micro and nano).•Controlled wetting.•Dual treatment by plasma and pulsed laser.•Topography driven hydrophobicity.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2013.07.030